Summary of Significant Accounting Policies Goodwill (Details)	12 Months Ended
Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Accounting Policies [Abstract]
Number of Reporting Units	2
Goodwill, Impairment Loss	$ 4,100,000	$ 2,403,000	$ 0
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount		23.00%

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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